Siemens SIRIUS 3SK1

5.1.3.3 Design
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① Top cover 󹪞ap
② Top cover 󹪞ap; internal inscription
③ Display LEDs
④ Slide switch
⑤ Bottom cover 󹪞ap
⑥ Bottom cover 󹪞ap; internal inscription
⑦ DataMatrix code
⑧ Device identi󹪝cation label
5.1.3.4 Terminal assignment
Terminal Explanation
A1 L+
A2 N-
IN1 Sensor channel 1
IN2 Sensor channel 2
IN3 Non-󹪞oating sensor evaluation
1)
3SK1 / 3RQ1 devices
5.1 3SK1 standard
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 55